JT. Steel Standard 558 - 428 Gearbox output pinionRef : JTC00411A / 1077432003

JT Sprockets steel sprocket, standard version 558: a simple and robust transmission part designed for riders looking for a reliable replacement or a change in gearing. With its 16 teeth and 428 pitch, this sprocket fits urban, cross, or roadster chain systems where precise engagement and torque retention are essential.

• Manufacturer reference: JTF558.16
• Material: steel (high-strength SMC420 alloy)
• Number of teeth: 16
• Chain pitch: 428
• Machining: CNC machining for consistent tooth profile and proper alignment
• Type: sprocket 558, standard version

Designed for easy installation, this JT sprocket maintains an optimized design to limit wear points and promote clean chain engagement. Ideal for routine maintenance or for slightly altering the gearing without compromising the reliability of the transmission system. Be sure to check the condition of the rear sprocket and chain when replacing to ensure smooth operation.

Common fits: suitable for YAMAHA YZ 85 LW BIG WHEELS 19/16 (2026), HONDA FORZA 750 (2025), and KAWASAKI Z 125 (2024) — confirm compatibility with your model before ordering.